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631762004311087 = 13404915077796063
BaseRepresentation
bin1000111110100101011000110…
…1110110010111110000101111
310001211212212011022120010002111
42033221112031312113300233
51130301242041100423322
610115351242543104451
7250033204260325246
oct21751261566276057
93054785138503074
10631762004311087
11173331841483191
125aa33860ba2127
1321168b944351c0
14b201630ab795d
154d088a5e7d177
hex23e958dd97c2f

631762004311087 has 16 divisors (see below), whose sum is σ = 680573104646400. Its totient is φ = 582981498266112.

The previous prime is 631762004311073. The next prime is 631762004311099. The reversal of 631762004311087 is 780113400267136.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-631762004311087 is a prime.

It is a super-2 number, since 2×6317620043110872 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 631762004311087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631762004311187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793210018 + ... + 794006080.

It is an arithmetic number, because the mean of its divisors is an integer number (42535819040400).

Almost surely, 2631762004311087 is an apocalyptic number.

631762004311087 is a deficient number, since it is larger than the sum of its proper divisors (48811100335313).

631762004311087 is a wasteful number, since it uses less digits than its factorization.

631762004311087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815202.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 631762004311087 in words is "six hundred thirty-one trillion, seven hundred sixty-two billion, four million, three hundred eleven thousand, eighty-seven".

Divisors: 1 13 4049 15077 52637 196001 796063 10348819 61046773 793608049 3223259087 12002241851 41902368131 156029144063 48597077254699 631762004311087